Please find below code to get products from multiple categories in wordpress woo-commerce

$args = array( ‘post_type’ => ‘product’,
‘tax_query’ => array(
‘relation’ => ‘AND’,
array(
‘taxonomy’ => ‘product_cat’,
‘field’ => ‘slug’,
‘terms’ => $slug1
),
array(
‘taxonomy’ => ‘product_cat’,
‘field’ => ‘slug’,
‘terms’ => $slug2
)
),
‘orderby’ =>’date’,’order’ => ‘ASC’ );